Collers Beach Weather Forecast

    • 19
    • 30

    Shower or two. Possible storm

    • 18
    • 26

    Showers. Possible storm

    • 20
    • 26

    Partly cloudy

    • 17
    • 24

    Possible shower

    • 15
    • 27

    Sunny day. Late shower or two

    • 16
    • 21

    Shower or two

    • 13
    • 21

    Cloudy

Today 20 Dec South Coast

Partly cloudy. High chance of showers, most likely in the morning and afternoon. A thunderstorm likely in the morning and afternoon, possibly severe with damaging winds, large hail and heavy rain which may lead to flash flooding. Light winds becoming northwest to northeasterly 15 to 20 km/h in the morning then tending northeast to southeasterly in the middle of the day. Overnight temperatures falling to between 17 and 20 with daytime temperatures reaching 27 to 33.

Illawarra Coastal Waters

Port Hacking to Ulladulla
Wind
South to southwesterly 10 to 15 knots shifting north to northeasterly in the morning. Winds reaching up to 20 knots south of Port Kembla during the afternoon and evening.
Seas
Around 1 metre, increasing to 1 to 1.5 metres south of Port Kembla during the afternoon.
1st Swell
Northeasterly around 1 metre.
Weather
Partly cloudy. 60% chance of showers. The chance of a thunderstorm in the morning and afternoon.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Collers Beach Temperature Statistics View More

December Temperature

Ulladulla (2km)

  • Lowest 2 December, 2025

    9.7 °C

  • Average December

    19.5 °C

  • Highest 6 December, 2025

    37.1 °C

Climate (2020–Present)

Ulladulla (2km)

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  • Average Low 2020–2025

    13.7 °C

  • Average 2020–2025

    17 °C

  • Average High 2020–2025

    20.8 °C
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